Making Very Large Silicone Molds
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- เผยแพร่เมื่อ 7 ม.ค. 2021
- Molding a large Master Vehicle in a two part silicone mold for easy part removal. How to make a large silicone mold.
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#Siliconemoldmaking #silconmolding#resincasting#moldmaking - แนวปฏิบัติและการใช้ชีวิต
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This is a very educational video. Looks expensive in some ways, but could save money in many. Thankyou.
I like how you provide the nuanced little tips. I’ve been wanting to give this a go on a smaller scale for some time now. Will definitely be referencing back to your work.
Best of luck with your project
yours is so much better than the rest i've seen in this platform, thanks. Galatoomi!
This is such an awesome tutorial! Really nice work on this, it answers so many questions in so little time.
Wow! Excellent tutorial. This will save me a ton of money and more importantly, prevent trial and error disasters. Thanks for sharing your knowledge.
I wish you had a whole class on this. Lots of the terms you used were Greek to me :) this looks so fun to learn!
I've never seen so much silicone mixed up before. At least not all at once 😂
Awesome work! great, great explanation and production. Gonna give this a shot soon, thank you for linking all the material.
Great video, thanks for your hard work educating us!
Amazing tutorial, master of craft!
This was amazing and you are quite the master in your art. I don’t know all the equipment or knowledge that you do, but I did learn a lot about 2 part molds. Thank you so much for sharing your talent with everyone.
Your welcome, glad you enjoyed and learned something, best of luck!
Great video Eric!
Amazing Eric. I hope I can apply what I've learned here in my ideas.
I really love how clean you work and you follow step by step, can you please do a mold for something with clips? more details and yet big enough so we can see what to do that makes the diffrence? really good video
Wonderful!
Thanks Eric :-)
man i love your work ethic. respect
Very nice. Wish you were a neighbor, I could use the inspiration. Thanks! Jim
i know exactly what that is , i see those in car shows and paint shops all the time. . nice job man. thx for sharing your knowledge. this type of skill is not shared enough , than you
Wow great video! You make it look easy!
I love the video.
You did a great job.
Awesome
Thanks for making it look so easy.
It's a lot of work, just take your time You can do it
Only 1 minute of video, just left a sub there.
That's enough as a preview to know that this channel just has to be good!
Thanks
great video, thank you.
That's a really nicely made mould Eric, thanks for sharing. I have difficulty getting my silicone out of its container without getting it everywhere as there isn't a pouring spout in the lid, does your silicone come with that spout or did you add it later? If you didn't have have that spout how would you decant some into a smaller container?
What a great video… well done, great tutorial. Definitely helps me do the with the stuff I want to do.
Cheers. 🤘
Rock on
Nice work
Thanks
Waoooo your are professional, very nice job.
Thank you for sharing knowledge :) ... best regards
I may be making a moukd from resin to fillwith expanding foam for rc plane parts definately learned a thing or two from this
That was beautiful, I'll be making a part tomorrow, I should make a video. Very good job and entertaining.
Best of luck with your project
Great Job !!
Thanks
Thank you for this tutorial, this is so helpful! I was just wondering if you can you use isoprepinol to treat the wood instead of shellac? Thanks so much!
Don't know
I use two degassing chambers to cut down on making sure the initial silicone pour doesn't set up too fast.
Awesome!
Great video! I need help making silicone molds. I am so intimidated by the whole process
Live is pain)))
Wicked brilliant. Thank you
This is the best video I’ve seen it came out beautiful can you please do a video on a one pour Small casserole dish for a three wick candles . It’s a lot of candlemakers out here that’s making cement Candle vessels but. purchasing horrible molds from Amazon. I want to make my own. I’m subscribing to your channel praying that I see a video in 2022 happy holidays to you and your family
I have no idea how this video eluded me. I’m glad it finally showed up in my recommended. So annoying xD I have the bell turned on TH-cam!
I'm 100% convinced that TH-cam notification system does not work correct I hear that from many many subscribers
@@EricStrebel it’s crazy! But I’m glad I know this channel by heart now. I’ll just catch up with a lil binge I often watch your videos when I’m casting and product making. You’ve really helped me out in my own studio and u are much appreciated around here.
Great
Hi Eric
Great video to learn. I'm working on some project whare I need few identical parts. I can use this technique.
Can I pour plastics into the mould?
I love how accurate you describe the details and how you work 🫶
Thanks
You the man
Thank you for sharing your skills and experiences! I have no need for any moulded parts, but the silicone looks sooo fun to work with!
I am impressed that the top of your mould does not sag under its own weight. Do you ever use reinforcements?
No
@@EricStrebel I usually use trixotropic agent and reinforcing silicon with tooling fabric.Much less silicon and lighter weight.Additionally silicon is not hanging down in the middle of the mold.Using moldmax 30.
Ok, good info, thanks for sharing
I love crafting
What kind of resin do you use? I didn't see it in the description. I'm impressed that you didn't need a pressure chamber!
Rampf 3070 urethane
My success rate might be about 50/50, but hey, at least I know what I'm getting myself into! Thanks!
I didn't see you trim off any of the sprues. Did they just come of cleanly with the straws and the funnel?
This is so great, thanks! - I'm about to attempt something similar. How vital do you consider the vibration step? I had one professional tell me there's mixed results and it can actually introduce bubbles sometimes.
It's not a must-have just a bonus, but the vibrations do help bring any bubbles in there to the top surface
@@EricStrebel gotcha. I'll probably give it a go, as I'll likely need all the help I can get. Thanks again.
What silicone are you using today.. I think in another video you mentioned 40A. all I can find in bigger quantities on amazon is 20A or 30A.
I want to make a 24"x24"x2" medallion and would like the mold to be frameless if possible. I think the 30A would bow out too far based on a hardness chart I found.
Correct 1040 from silicone inc
I want to do Make a large mould for a buddy head, 60cms tall, type size , how would be best to approach this and what product do I use?
Awesome video as always ! Very inspiring. Could you do a video about hardshell silicone molds with a thin silicone layer ? For example using a 3D printed hard shell to reduce the volume of silicone used and give strength to the mold :) that would be interesting to see :)
Great video, well documented. Any storage considerations to help extend the life of these molds? Mahalo for sharing! : ) 🐒
Cool dry storage is best for silicone
@@EricStrebel Mahalo!
Hello, nice video.Whats the blue liquid?thank you.
Silicon
awesome
Thanks for your comment and support of my channel. Feel free to share on social media. Thanks
Quick question, could you use plaster as the third layer? Wouldn’t this save money and keep the thickness in tact?
Hi Eric, when choosing hardness of mold what are things to consider? Would higher hardness yield better surface finish (at the expensive of flexibility for demold)?
No not necessarily just easier to work with when it's stiffer but every mold is different so it really depends.
Where can I get the big 5 gallon of silicone that you used and the second part also
Is it required to degas the silicone?
Hey, got a question, how did you create the original car body? did you use a 3d printer for that or something?
Excellent video Eric - 2 questions. If I wanted to make a mold for molten zinc are there silicone molds that will hold up? Second is there a size loss from the original casted part?
Should be no size loss, you just have to find a silicone that meets your temperature requirements, check for shrink just to be safe
Nicely done as always man! What shore hardness is this silicone? 30? Or more like 60?
40
Great video as always! How finite are silicone molds? Can their life be extended with say rubbing them with silicone oil? Or once they crack, that's it?
Good question, not really sure, it will depend on the grade of the silicone, durometer and environment.
Amsterdam flag behind 💪💪😃👍
Hey Can you make extra large to small different shapes and sizes candle silicon mold. I need it 😊
Hi whats the mixing ratio of this silicone?
Wow, a big job!
You said "silicon only sticks to silicon", does it stick to paint?
I ask because I want to cast the headlight surrounds of my car and I'm not sure if I need a release agent?
Cheers!
Just silicone
R u from UK . I could do with some molds for making chairs
Eric, could you please recommend a good food grade silicone for molding?
Give smooth-on a call, they'll have a tech guide you to the right silicone. Many silicones are food grade, but it can depend on what you are using it for, some silicones are only food safe at room temp or colder, but are not food safe with hot materials.
Just an after thought, Why not vacuum form the part? Wouldn't the mold dip at the middle since the length is quite considerable?
Vac formed part would not be very quality, also the post process paint is baked so the vac formed part could not handle that.
That was amazing... Probably the best mould technique ive seen so far. Can I just ask though. All the video's I seem to watch about making rubber moulds, the people seem to use an awful lot of rubber and recently Ive priced various types up.... It costs a bloody fortune!!! That mould alone must of cost you $300 - $400??? Are the people making the moulds on here sponsored by rubber companies? What happens if you screw the mould up??? It gets very very expensive!!
Is there a cheaper way of making a mould like these?
Great video, thanks Les
Mold cost more than that..paying clients! and don't screw up, take your time. Thats why I made the video to help others
@@EricStrebel Thanks for the reply
Would you use this process on a 4ft or large model?
Possibly, depends on the geometry
Cool video. I made a mold 12x7in recently for a similar thin profile piece. I was only able to get about 35 shots using PU. How are you able to get 100 shots? Are some silicones longer lasting than others?
You get what you pay for there are definitely better quality silicones out there and a lot of poor quality ones
I've got into bucket transfer at the moment - helps. I understand why you didn;t with this silicone type though. with additional cure type those bucket sides at this size would'nt be scraped enough. At least this is what I tell myself - tee hee.
how much does that silicone cost for 20 kg? and where to get it?
Bad ass!
I want to make a mold of an old tea tray. how can i do that?
What is the life span of this silicone after mixing? And what kind of hardness does it have? Great work.
Shore 40a, depends on how you treat your silicone, 50 parts is usually max lifespan
Молодцом!
I'm trying to make a casting of a good size pumpkin any advice I don't have the fancy equipment lol
Good luck, have a plan.
hi Eric, what is the vibratinon you are using and do you have any recommendations for such tools for someone just getting into mold making? thank you
Link in the description
@@EricStrebel i appreciate it :]
I really envy you, doing that for a living seems like heaven. Btw, I saw you wearing a respirator during casting the PU, is this stuff really that poisonous?
Just being safe, can't hurt
@@EricStrebel my favourite approach to things in genereal :D
yes, the isocyanate (in the hardener) is cancerous - in EVERY 2-part polyurethane
hi eric what type mold material you use?
Silicone....from silicone-inc.com gi1040
where is the part you produced?
Hello
What ingredients should be added to the gelatin, it should be a tool with high elasticity and strong in winning shots.
Dunno
nice, also.
Nice, AMSTERDAM!
I need to use clay as a support for a lens im casting. What type of clay do I need and what do I measure the mould box with. Rice?
Non sulfur clay, use math measure with, rice will contaminate your mold.
@@EricStrebelthank you. What equation do you use to work out the silicone needed? I'm hopeless with maths, haha!
Mold box volume minus object volume
Hey Eric, you said to pour into the sprue low and at an angle so that it vents. Does the sprue have to be taller than the highest point and then cap the low vents or do you just tilt it back down and finish pouring? And why at an angle if it’s dome shaped? I’m only asking because I’m about to make about 30 very similar.
I usually lay it down flat once I see the resin come out the vents
@@EricStrebel Any ideas about how to get the air out other than degassing? I only have 180 seconds on this urethane that I use from BASF. I have been pouring it over an ramped wide flat surface and letting it stretch and get thin and run off the sharp edge at the bottom of the board which has been getting rid of most of the air. What would you suggest?
Yes, use a different resin that has a longer pot life
how much did that silicone cost you?
Cooler than the other side of the pillow
Thanks 😎
I have a polurethane rubber emblem and want to make a mold of it will silicone rubber mold be okay, will that work or would it stick permanantly?
Silicone is the correct material to use
I just found you on my friend's recommendation. I am amazed by your descriptive and detailed videos ... You are perfect, It is a great channel, I am sure that you will exceed your target in a short time ...
Thanks, feel free to share with your friends on social media.
@@EricStrebel Believe me, I will share it to many. Do not be skeptical about this.
What if you don't have all this equipment?
Eric! How many parts can you produce from this mold? Thanks, Great channel!
Maybe 50 ish
@@EricStrebel what if I made the mold from fiberglass? With the proper release agent the polyurethane part should be able to pull out. I think one could get a fair amount more parts from such a mold rather than silicone? Thoughts? Thanks Eric.
@@VincentShayAdventures check with the manufacturer of the polyurethane to see what they recommend. Some sort of a wax I suspect
@@EricStrebel for sure! Have you ever cast urethane into a fiberglass mold?
No
Are these for automotive paint samples?
Yup
How can I learn how to use the ( vacuum air meter numbers-read watch presión.?
Vacuum gauges read in inches of Mercury, or "Hg. A "full" (ideal) vacuum at sea level is about 29.9" Hg, but the higher in altitude you are located at the lower the inches of Mercury will be, for example "full" vacuum 2,000 feet above sea level would be closer to 27.5" Hg. The gauge is measuring the rate of the volume increase of Mercury under vacuum. The higher the inches of Mercury in your vacuum chamber, the better the rate of air being pulled out of your silicone or resin is
I have a quick question how can I make a foam design to resin? Is there a material that I need to cover the foam to create a mold then use the mold to use resin casting? I have a design but a foam is very breakable. I don't know how to make my foam resistance resin heat because the chemicals combine with resin A and B reaction creates heat and it seems that heat will melt the foam so I want to ask how to do it if is possible. Thanks waiting on your response.
It's doable, just get some brushable resin and be prepared to sand a lot
Hi, I was able to do it. I follow using multiple layers of glue (school glue), super glue, and wood sealer forgot the name. It cameout the mold fine and still have the original foam product
I need a way to make large scale molds for numerals that I then can fill the hollowded out and have them reusable...help please.
Rotational molding, you will still need a two part mold if you want them to be hollow, search for rotation molding on TH-cam for demo vids
Is the weight of the silicone not going to bow and fill in the empty space?
No does not seem to The pressure of the resin seems to push back I think the part thickness is as expected
I feel I've seen this model in one size or another for quite some time now. I still have no clue what the part is used for though?
Color shapes for viewing paint samples
@@EricStrebel Thanks! Now that you mention it, I actually think I've seen you use it for that exact purpose once or twice in a past video? Slightly smaller version though if I remember correctly?
Correct
Could a much larger mold be made to produce a car bumper?
Yes
What cardboard do you use for the keys and where can I get some
Whatever cardboard or chip board I can get at the local blick art store